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首页> 外文期刊>Applied in vitro toxicology. >Usnic Acid (+) Enantiomer in Alternative In Vitro Control of Burkholderia cepacia and Allelopathic Effect
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Usnic Acid (+) Enantiomer in Alternative In Vitro Control of Burkholderia cepacia and Allelopathic Effect

机译：地衣酸(+)对映体在体外替代洋葱不过和他感作用的控制效果

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Introduction: Allelopathic effects have a wide range of action, at the genetic and biochemical level, favoring the germination and survival of plants and, often, helping as a phytosanitary strategy in reducing infections that generate loss in the agro-industrial sector. However, in addition to pesticides, metabolites of natural origin have been identified as an important tool in combating phytopathogenic microorganisms and, due to their symbiotic activities in the environment, growth promoters of several plant species. This study aims to assess the antimicrobial activity against Burkholderia cepacia, allelopathic, and phytotoxic potential of the (+)? usnic acid (UA).Materials and Methods: The experiments were conducted in laboratory conditions using the compound at different concentrations and the test organism were Solanum lycopersicum.Results: The compound at 12.5 μg/mL was able to reduce >90% of the evaluated bacterial population and any significant toxic effects were observed on the germination.Conclusion: In addition, at 25 μg/mL, the UA did not interfere in the fresh and dry weight of the tomato, corroborating the potential of this compound as a biocontroller, since it does not cause a pronounced phytotoxic effect, selectively assessing a pathogenic microorganism.
机译：简介:拥有广泛的他感作用的影响范围的行动,在基因和生化水平,支持的萌发和生存植物,经常帮助植物检疫在减少感染生成策略损失在农工业的部门。除了农药、代谢物的自然起源已被确认为一种重要的工具在防治植物病原微生物,由于他们的共生活动环境中,一些植物的生长促进剂物种。抗菌活性对洋葱不过他感作用,植物性毒素的潜力(+) ?方法:实验实验室条件下使用复合不同浓度和生物测试是茄属植物lycopersicum。在12.5μg / mL能够减少> 90%评估人口和任何细菌重大毒性观察发芽。UA没有干涉新鲜和干燥番茄的重量,确凿的潜力这种化合物的生物防除,因为它不会引起明显的植物性毒素的效果,选择性地评估一个致病微生物。

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